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Can I simply reduce, say, 8k texture files to 4k & resave... or...?

bpsperanbpsperan Posts: 15
in The Commons

Personally, for certain types of models and for my own needs, I cannot ever see myself needing a closeup shot requiring 8k textures. (Also, I worry about the memory of my current rig.) So, I was wondering if I could edit the texture files of certain models by cutting the resolution in half.

Would this be as easy as it sounds? Can I just reduce the resolution from, say, 8192x8192 to 4096x4096 (or from 4096x4096 to 2048x2048) and resave the files? Or, for DAZ to load them properly, would I also need to edit some .Duf or other files? Are there certain rules to follow? (For example: Must the resolution of all texture files be the same?)

Comments

  • Silas3DSilas3D Posts: 742

    Downscaling images won't break any regular duf presets as they would only contain the path and filename of the image, so providing you don't change those you should be ok.

    On the other hand, LIE (Layered Image Editor) presets would be affected, because image dimensions are saved with each layer. To my knowledge there aren't any 8K LIE products out there, but something to be aware of!

  • DripDrip Posts: 1,238

    Generally, it will work, except when working with textures that should connect seamlessly to one another, like, on characters. The tint on one texture might resolve slightly different from another texture connecting to it, meaning you may get noticable seams.
    The same may happen when dealing with complex repeating textures, where the resized color or tint on one edge may resolve slightly different from the matching color or tint on the opposite edge.

    Especially the first case, with multiple textures supposed to seamlessly connect to eachother, can be difficult to fix, especially on characters. If you don't render the specific model with those textures too often, it might be easier to fix the seam post-render, than to fix the resized texture.

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